Patents by Inventor Dan A. B. Pettersson

Dan A. B. Pettersson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D263781
    Type: Grant
    Filed: May 4, 1978
    Date of Patent: April 13, 1982
    Assignee: AB Jarnarmatur
    Inventor: Dan A. B. Pettersson
  • Patent number: D266282
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: September 21, 1982
    Assignee: AB Jarnarmatur
    Inventor: Dan A. B. Pettersson
  • Patent number: D267997
    Type: Grant
    Filed: May 4, 1978
    Date of Patent: February 22, 1983
    Assignee: AB Jarnarmatur
    Inventor: Dan A. B. Pettersson